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1ヶ月でAndroidカメラアプリ開発(2/4)
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sakebook
April 04, 2016
Programming
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1ヶ月でAndroidカメラアプリ開発(2/4)
Adobe Creative SDKを使った写真加工アプリの開発のスライドです。全4回。
sakebook
April 04, 2016
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Transcript
̍ϲ݄Ͱ ANDROIDΧϝϥΞϓϦ։ൃ @Trunk ञຊ৳ 2016/3/20
ຊͷྲྀΕ • ϨΠΞτͷجຊࣝ • ActivityͷϥΠϑαΠΫϧ • ΠϕϯτϋϯυϦϯά • Widgetͷঢ়ଶཧ •
(Χϝϥݺͼग़͠) • (ը૾ड͚औΓ) • Aviaryઃఆ
ACTIVITY
ACTIVITY ≒ ը໘ • ActivityUIΛ࣋ͭը໘ʹඞਢ • ը໘xmlͰ࡞Δ • ಈతʹੜ͍ͨ͠ͷίʔυͰఆٛ •
ը໘Λߏ͢Δxml ϨΠΞτͱΟδΣοτͰΓཱͭ
LAYOUT
LAYOUT • WidgetViewΛҰఆͷنଇʹج͖ͮஔ͢Δ ͨΊͷͷ • ҰͭͷxmlʹϨΠΞτෳ͋ͬͯྑ͍ • ͷϨΠΞτඞͣҰͭ
͍͔ͭ͘հ • LinearLayout • ্͔ΒԼɺࠨ͔ΒӈͳͲɺॱংʹ٧Ίͯஔ͢ΔϨΠΞτ • RelativeLayout • ஔͨ͠ଞͷίϯϙʔωϯτͱͷҐஔؔΛఆٛ͠ͳ͕Β ஔ͢ΔϨΠΞτ
• FrameLayout • ࠨ্Λىͱͯ͠ɺࢠཁૉͰ͋Δͱ͖ લ໘ʹදࣔ͞ΕΔϨΠΞτ
XMLͷઃఆ • setContentView(Int id)
• εςʔλεόʔ • ΞΫγϣϯόʔ (πʔϧόʔ) • φϏήʔγϣϯόʔ ϨΠΞτ෦
None
None
WIDGET
WIDGET
ߴසग़ • Button • ϘλϯΛஔ͍ͨ͠ͱ͖ʹ͏ • TextView • ܾΊΒΕͨจࣈΛஔ͍ͨ͠ͱ͖ʹ͏ •
ImageView • ը૾Λද͍ࣔͨ͠ͱ͖ʹ͏
࣮श • ͕ࣗ࡞Γ͍ͨΞϓϦͷϨΠΞτΛߟ͑ ࣮ͯ͠ΈΔ
ϥΠϑαΠΫϧ
ϥΠϑαΠΫϧ • Activityಉ࢜ͷԁͳΓऔΓΛॿ͢Δ • ෳͷActivity • ϥΠϑαΠΫϧ ≒ ঢ়ଶભҠ
None
• onCreate • Activity͕ॳΊͯ ࡞ΒΕͨͱ͖ • onStart • Activity͕Ϣʔβʹ ݟ͑ΔΑ͏ʹͳΔલ
• onResume • Activity͕ දࣔ͞Εͨͱ͖ • onPause • ผͷActivity͕ දࣔ͞ΕΔͱ͖
• onStop • Activity͕ ݟ͑ͳ͘ͳͬͨ࣌ • onRestart • Activity͕ఀࢭͨ͠ޙ ࠶։࢝͞ΕΔલ
• onDestroy • Activity͕ ഁغ͞ΕΔલ • Activity͕ड͚औΔ ࠷ޙͷݺͼग़͠
ৄࡉ • http://dev.classmethod.jp/smartphone/android/ android-tips-21-activity-lifecycle/
ΠϕϯτϋϯυϦϯά
ΠϕϯτϋϯυϦϯά • Πϕϯτ • ϢʔβͷԿ͔͠Βͷߦಈ ෦ͷॲཧͷಛఆͷλΠϛϯά • ΠϕϯτΛదͳλΠϛϯάͰΩϟον͠ దͳॲཧΛߦ͏ɻ
ϘλϯΛΫϦοΫ • ButtonͷWidgetΛઃஔ • Button͕ΫϦοΫ͞Εͨ࣌ʹߦ͏ॲཧΛهड़ • ButtonͷΫϦοΫΠϕϯτΛϋϯυϦϯά
BUTTONͷWIDGETΛઃஔ • xml
BUTTON͕ΫϦοΫ͞Εͨ࣌ ʹߦ͏ॲཧΛهड़ • setOnClickListenerʹ࣮Λͯ͋͛͠Δ • Listener = Interface
࣮ ϋϯυϦϯά
ϋϯυϦϯά + ࣮
࣮? ϋϯυϦϯά
ผΫϥεͰ࣮ • MyCustomClick.class
࣮? ϋϯυϦϯά
ಉ͡ΫϥεͰ࣮ • ࣮͕هड़͞Ε͍ͯΔͷͰthis͕͑Δɻ
࣮͠·͢એݴ
SET_ON_CLICKҎ֎ͷϦεφʔ • setOn̋̋Ͱ༻ҙ͞Ε͍ͯΔɻ • ొ/ղআ͕ඞཁͳͷ add/remove register/unregister ͳͲɺ໋໊نଇͰผͰ͖Δ
࣮श • ͕ࣗ࡞Γ͍ͨΞϓϦͷ͍͔ͭ͘ͷwidgetͰ ΠϕϯτϋϯυϦϯάΛઃఆ͢Δ
WIDGETͷঢ়ଶ
BUTTON͕ΫϦοΫ͞Εͨ࣌ • ͳΜͲΫϦοΫͰ͖Δ • ΫϦοΫͰ͖͔ͨͲ͏͔Θ͔Βͳ͍ • ΫϦοΫՄೳͳঢ়ଶ͔ෆ໌
ͳΜͲΫϦοΫͰ͖Δ • ϝʔϧΛૹΔͳͲɺෳճ͞ΕͯࠔΔͷ ͕͋Δ • View#setEnabled(boolean) • Viewͷঢ়ଶΛɺ༗ޮ/ແޮʹ͢Δ
ΫϦοΫͰ͖͔ͨͲ͏͔ Θ͔Βͳ͍ ΫϦοΫՄೳͳঢ়ଶ͔ෆ໌ • ϢʔβʹϑΟʔυόοΫΛ༩͑Δ
ແޮͳঢ়ଶ ༗ޮͰ ԡ͞Ε͍ͯΔঢ়ଶ ༗ޮͰ ԡ͞Εͯͳ͍ঢ়ଶ
AVIARY
AVIARY • ΤσΟλʔػೳผSDK • https://creativesdk.adobe.com/docs/android/ #/articles/imageediting/index.html • Ұॹʹ͍͖ͬͯ·͠ΐ͏ɻ